

@BOOK{Mantra,
    AUTHOR =    "G. Bittencourt and J. Calmet and I. A. Tjandra",
    TITLE =      " MANTRA : A shell for Hybrid Knowledge Representation",
    PUBLISHER = "Tools for Artificial Intelligence",
    YEAR =      "1991"

}
@BOOK{livroLatex,
  AUTHOR =       "Michel Goossens and Frank Mittelbach and Alexander Samarin",
  TITLE =        "The teste LaTeX Companion",
  PUBLISHER =    "Addison-Wesley",
  YEAR =         "1993"
}
